I ordered a 40' by 52' Q model and it was shipped on the date promised. The delivery driver was very accommodating, helping me unstack part of the arches due to the pallet being too heavy, thank you! I referenced every YouTube video on the assembly and got some good pointers. First off, very impressed by the quality, fit and consistency of the panels, definitely a well designed system. I got a scissor lift as this seemed the best way to get this job done. Like everyone says, the first 3 arches are challenging, especially when you're doing it alone. After the first 3 arches were standing I did the rest of the assembly one panel at a time. I've heard from other comments that the instructions are vague but I rarely look to instructions anyway, just did a visual inventory of what I had in front of me and figured it out. About 1/3rd of the way through, I realized I only received about 1/2 of the bolts I needed so I called the salesman who I originally bought the building from, and he said no problem, I had 2 extra buckets of bolts ups shipped in 6 days. There is the upsell phonecall after the sale of the building, giving you options of industrial base plates, insulation, end walls and other accessories but I had my own plans for everything, I just wanted the building shell and went with the key way slab as per the design provided. 3 weeks of work and I couldn't be happier with my building! By the way, this is going to be a Barndominium, 1/3 home (2 story, 2 bed 2 bath 1230sqft) and the rest garage/shop. I highly recommend the SteelMaster arch system based on my experience.Julius